Comportment (noun)

1. The way in which one conducts oneself; behavior; bearing.
2. The bearing or behavior of a person; carriage; demeanor.

Origin:

From the verb comport + -ment.

Examples:

1. He was praised for his dignified comportment during the difficult situation.
2. Her comportment during the meeting was exemplary and professional.
3. The comportment of the soldiers on parade was impeccable.
4. The comportment of the children during the ceremony was impressive.
5. He had a natural comportment that made him stand out in a crowd.